Update changelog for 2021.8.0

Makefile

@@ -1,5 +1,5 @@
 ESPHOME_PATH = ../esphome
-ESPHOME_REF = v2021.8.0
+ESPHOME_REF = 2021.8.0
 
 .PHONY: html html-strict cleanhtml deploy help webserver Makefile netlify netlify-api api netlify-dependencies svg2png copy-svg2png
 

changelog/2021.8.0.rst

@@ -1,9 +1,9 @@
-Changelog - Version 1.21.0 - 18th August 2021
-=============================================
+ESPHome 2021.8.0 - 18th August 2021
+===================================
 
 .. seo::
-    :description: Changelog for ESPHome version 1.21.0.
-    :image: /_static/changelog-1.21.0.png
+    :description: Changelog for ESPHome 2021.8.0.
+    :image: /_static/changelog-2021.8.0.png
     :author: ESPHome
     :author_twitter: @esphome_
 
@@ -29,7 +29,13 @@ Changelog - Version 1.21.0 - 18th August 2021
     TSL2591, components/sensor/tsl2591, tsl2591.jpg
 
 
-Look at that nice sorted and categorized home page of sensors. Thanks to :ghuser:`patfelst` for doing this.
+Since starting monthly cycles, it just made sense to make this release, **ESPHome 2021.8.0**. From now ESPHome will
+be versioned according to the year and month of the release. We hope that this will not confuse everyone too much =).
+
+There are a bunch of new integrations this release as seen above and a few breaking changes below. Hopefully nothing
+has been missed out.
+
+Also, look at that nice sorted and categorized home page of sensors. Thanks to :ghuser:`patfelst` for doing this.
 
 
 Select Entities
@@ -253,3 +259,24 @@ All changes
 - Send dirty states when screen wakes up :esphomepr:`2167` by :ghuser:`jesserockz`
 - Remove specified accuracy_decimals from total_daily_energy :esphomepr:`2174` by :ghuser:`jesserockz`
 - Add new total_increasing state-class for Home Assistant 2021.9+ :esphomepr:`2166` by :ghuser:`jesserockz`
+
+Past Changelogs
+---------------
+
+.. toctree::
+    :maxdepth: 1
+
+    v1.20.0
+    v1.19.0
+    v1.18.0
+    v1.17.0
+    v1.16.0
+    v1.15.0
+    v1.14.0
+    v1.13.0
+    v1.12.0
+    v1.11.0
+    v1.10.0
+    v1.9.0
+    v1.8.0
+    v1.7.0

changelog/index.rst

@@ -2,7 +2,7 @@ Changelog
 =========
 
 .. redirect::
-    :url: /changelog/v1.21.0.html
+    :url: /changelog/2021.8.0.html
 
 .. toctree::
     :glob:

components/uart.rst

@@ -34,8 +34,8 @@ In some cases only **TX** or **RX** exists as the device at the other end only a
 
 .. note::
 
-    From ESPHome 1.21.0 the ``ESP8266SoftwareSerial`` UART ``write_byte`` function had the parity bit fixed to be correct
-    for the data being sent. This could cause unexpected issues if you are using the Software Serial and have devices that 
+    From ESPHome 2021.8 the ``ESP8266SoftwareSerial`` UART ``write_byte`` function had the parity bit fixed to be correct
+    for the data being sent. This could cause unexpected issues if you are using the Software Serial and have devices that
     explicity check the parity. Most likely you will need to flip the ``parity`` flag in YAML.